The Free On-line Dictionary of Computing (30 December 2018):

MacPPP

    An implementation of PPP for the Macintosh
   developed by Larry J. Blunk and others at Merit Network, Inc.
   MacPPP was revised in 1993 with the release of MacPPP 2.0.1.
   The latest incarnation of MacPPP is FreePPP.

   (2000-11-25)